Question

I am always eager to do experiments, especially chemistry ones. It's   _26_  to work with test tubes and beakers（烧杯） , even though sometimes my efforts end in__27___. Experiments were fun for me  __28  a recent accident.

The   29  happened when I was heating a big test tube with an alcohol burner（酒精灯） , chatting to my partner while waiting for__30____ changes. All of a sudden, the tube cracked. Even though I jumped from my seat when I heard the crack, the hair on my forehead was __31____ as I was leaning too close to the test tube.

  __32___ I had no time to be sad about my hair: the liquid in the test tube poured onto the table and caught fire. I'd never  33 _ anything so bad! My___34___went blank （空白）for a moment. Then I quickly covered the fire with a damp cloth to__35____.

The teacher told me that the test tube broke in half at the bottom because we didn't dry it properly before __36___ it.

We calmed down and did the experiment, again. But our hearts were still __37____ rapidly even after we walked out of the lab.

But my bad __38___ didn't end there! Since all __39     was focused on the flames while we were in the lab, I didn't see the liquid falling onto my trousers.

During the following class, I felt a __40___ in my leg. Soon it became more and more painful and I touched the area with my fingers,   _41_  to make things better. But to my great    42___ , the material of my trousers turned into powder! “Vitrio（硫酸）! ! !”The terrible word came into my mind. I rushed out right away to wash and examine my poor skin.  _43_  , it was not a serious injury.

After changing my __44____I sat down and told myself: danger is no joke! It's very important to have a serious___45___ in chemistry class. Doing scientific experiments as a learner is no laughing matter.

1.	A．exciting B．moving C．dangerous D．difficult

2.	A．success B．failure C．loss D．waste

3.	A．but B．except C．besides D．until

4.	A．incident B．change C．disaster D．accident

5.	A．physical B．chemical C．biological D．historical

6.	A．broken B．burnt C．blown D．pulled

7.	A．And B．Instead C．But D．Or

8.	A．felt B．heard C．experienced D．imagined

9.	A．head B．stomach C．ear D．mind

10.	A．leave it out B．let it out C．give it out D．put it out

11.	A．boiling B．holding C．heating D．cooking

12.	A．striking B．beating C．knocking D．hitting

13.	A．feeling B．time C．chance D．luck

14.	A．effort B．sense C．attention D．spirit

15.	A．push B．pain C．bite D．touch

16.	A．failing B．managing C．trying D．planning

17.	A．disappointment B．joy C．surprise D．comfort

18.	A．Fortunately B．Obviously C．Unexpectedly D．Generally

19.	A．coats B．shirts C．socks D．trousers

20.	A．heart B．attitude C．thought D．preparation

Answer

1.A

2.B

3.D

4.D

5.B

6.B

7.C

8.C

9.D

10.D

11.C

12.B

13.D

14.C

15.B

16.C

17.C

18.A

19.D

20.B

【解析】

试题分析：文章介绍了我在化学实验课上遇见的两个事故，告诉我们对待任何事物要有一个认真的态度。

1.A 上下文串联。根据eager to do experiments说明做实验对我来说是令人兴奋的。

2.B 上下文串联。根据even though说明有转折关系，很多时候我的实验回失败。

3.D 词义辨析。A但是；BC除…外；D直到…才；指直到最近的一次实验，实验对我来说是都是很有趣的。

4.D 上下文串联。根据28空后的a recent accident说明D正确。

5.B 上下文串联。根据文章第一句我喜欢化学实验，那么在实验中应该发生化学变化。

6.B 词义辨析。A坏了；B烫伤；C吹走；D拉走。这里指被前额的头发被烫坏了。

7.C 连词辨析。根据上下文可知我没有时间为头发而难过，实验的液体流了下来。

8.C 动词辨析。A感觉；B听说；C体验；D想象。指我从来没有经历过这样的事情。

9.D 名词辨析。A头；B胃；C耳朵；D大脑，思维。指我的大脑一片空白。

10.D 短语辨析。A遗漏；B释放；C发出；D扑灭。指我要扑灭火。

11.C 动词辨析。A沸腾；B握住；C加热；D做饭。指我在加热前没有把试管擦干。

12.B 动词辨析。A敲打；B跳动（心脏）C敲门；D击打指我的心跳得很快。

13.D 上下文串联。接下来我又发生了事故，说明我的厄运连连。

14.C 名词辨析。A努力；B感觉；C注意力；D精神。我的注意力都集中在火苗上了。

15.B 词义辨析。A推；B痛苦，疼痛；C咬；D触摸；指我感觉到腿部有地方疼。

16.C 动词辨析。A失败；B成功做…；C努力做…;D 计划做…；指我想努力减轻疼痛。

17.C 名词辨析。A失望；B快乐；C惊讶；D安慰。让我惊讶的是，这样的物质变成了粉末。

18.A 副词表示。A幸运地；B明显地；C未预料到；D一般说来。指幸运地是我的伤不严重。

19.D 上下文串联。根据上文可知我的裤子坏了，那么应该是换了一条裤子。

20.B 名词辨析。A心；B态度；C想法；D准备。对待化学课要有认真的态度。

考点：考查夹叙夹议类完型填空